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Finding the Fourth Proportional to 87,115.52, 120,256.11 and 58,859.48

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Solution

The fourth proportional to 87,115.52, 120,256.11 and 58,859.48 is: 81,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,115.52 : 120,256.11 = 58,859.48 : x
  2. Step 2: Convert to fraction form
    87,115.52/120,256.11 = 58,859.48/x
  3. Step 3: Cross multiply
    87,115.52x = 120,256.11 × 58,859.48
  4. Step 4: Simplify right side
    87,115.52x = 7,078,211,500.14
  5. Step 5: Solve for x
    x = 7,078,211,500.14/87,115.52
  6. Step 6: Final answer
    x = 81,250.87

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